Home / 2,267,986.89-3,129,820.50-1,249,391.64

Finding the Fourth Proportional to 2,267,986.89, 3,129,820.50 and 1,249,391.64

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Solution

The fourth proportional to 2,267,986.89, 3,129,820.50 and 1,249,391.64 is: 1,724,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267,986.89 : 3,129,820.50 = 1,249,391.64 : x
  2. Step 2: Convert to fraction form
    2,267,986.89/3,129,820.50 = 1,249,391.64/x
  3. Step 3: Cross multiply
    2,267,986.89x = 3,129,820.50 × 1,249,391.64
  4. Step 4: Simplify right side
    2,267,986.89x = 3,910,371,567,400.62
  5. Step 5: Solve for x
    x = 3,910,371,567,400.62/2,267,986.89
  6. Step 6: Final answer
    x = 1,724,159.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.